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2403-260-00057 参数 Datasheet PDF下载

2403-260-00057图片预览
型号: 2403-260-00057
PDF下载: 下载PDF文件 查看货源
内容描述: [SPEAKER-1318-4.5-SC-DUMBO]
分类和应用:
文件页数/大小: 21 页 / 967 K
品牌: KNOWLES [ KNOWLES ELECTRONICS ]
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2403 260 00057  
4. Environmental tests  
4.1. Qualification tests  
According to our milestone plan (Product Creation Process), a complete qualification test will be done  
at design validation of products manufactured under serial conditions.  
1x per year and product family a requalification takes place. The qualification process covers all tests  
described under 4.5 and a complete inspection.  
4.2. Reliability tests  
1x per month and product family samples are taken and submitted to tests described under 4.5.2  
4.3. Sample Size, Sequence  
Unless otherwise stated 20 arbitrary new samples will be used to perform each test for both,  
qualification and requalification test as described under 4.1 and 4.2.  
4.4. Period of Shelf-Life  
The period of shelf-life is 2 years.  
4.5. Testing Procedures  
4.5.1.  
Storage Tests  
4.5.1.1. Low Temperature Storage Test  
Parameter  
Test Method and  
Conditions  
Duration  
168h  
Evaluation Standard  
Low Temperature  
Storage  
-40°C  
Measurements after 2 hours  
recovery time.  
rel. humidity not  
controlled  
(Ref. EN 60068-2-1)  
All samples fully operable.  
All acoustical parameters  
according specification with  
tolerances increased by 50 %.  
4.5.1.2. High Temperature Storage Test  
Parameter  
Test Method and  
Conditions  
Duration  
168h  
Evaluation Standard  
Dry Heat Storage  
+85°C  
Measurements after 2 hours  
recovery time.  
(Ref. EN 60068-2-2)  
rel. humidity not  
controlled  
All samples fully operable.  
All acoustical parameters  
according specification with  
tolerances increased by 50 %.  
©2011 Knowles Electronics  
Page 16 of 21  
Release – Revision: D